/**
  * show how to use popen to write to a process that
  * reads from stdin. This program writes email to two 
  * users. Note how easy it is to use fprintf to format the data to send.
  */

#include <stdio.h>

int main() {
	FILE *fp;
	fp = popen("mail admin backup", "w");
	fprintf(fp, "Error with backup!! \n");

	pclose(fp);
}
